CN107636895A - The antenna system and Anneta module of interference between radiation pattern with reduction - Google Patents
The antenna system and Anneta module of interference between radiation pattern with reduction Download PDFInfo
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- CN107636895A CN107636895A CN201680026849.3A CN201680026849A CN107636895A CN 107636895 A CN107636895 A CN 107636895A CN 201680026849 A CN201680026849 A CN 201680026849A CN 107636895 A CN107636895 A CN 107636895A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
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Abstract
The present invention relates to a kind of improved antenna system and the Anneta module including the antenna system.Antenna system includes：First antenna element, it is suitable to first band；And second antenna element, it is suitable to second band different from first band.First antenna element includes：Irradiation structure, it includes at least one planar radiation elements, and wherein irradiation structure is configured to radiate with the frequency in first band.First antenna element also includes：At least one band stop filter structure, it includes at least one planar conductive element, wherein at least one band stop filter structure is configured to the electric current flowing for the frequency that decay is in second band.
Description
Technical field
The present invention relates to a kind of improved antenna system, and it includes the first and second antenna elements, wherein in antenna element
At least one configuration allow interference reduce, between the radiation pattern of each in antenna element.It is in addition, of the invention
Being related to includes the Anneta module of same antenna system.
Background technology
In the context of the present invention, antenna system will be understood to comprise first antenna element and the second antenna element
Antenna is arranged.
Generally, antenna system is technically by extensive discussions, because the packet of multiple antenna elements in a system
Various structural advantages are provided.Particularly as single structure module antenna system component allow multiple antenna elements it
Between share mechanically and electrically part.
Therefore, in antenna system, multiple antenna elements can be arranged in identical housing, in identical pedestal, and
Shared identical housing, identical pedestal, can share identical PCB circuits, and can share identical electrical connection, should
Identical is electrically connected for respectively to/from electric signal of the multiple antenna element transmission/receptions in antenna system from outside.
However, the arrangement of multiple antenna elements in antenna system has the disadvantage in that, particularly when multiple antenna elements each other
When being arranged near field.In this case, multiple antenna elements are subjected to the phase in particular, to their own radiation pattern
Mutual disturbing effect.
In WO 98/26471A1, propose that applying frequency selects surface to reduce by two antenna elements in antenna system
Between interfere effect.In more detail, proposed antenna system includes first antenna element and the second antenna element.The
One antenna element can be with first frequency scope transmission signal, and the second antenna element can be (i.e. non-with second frequency scope
Overlapping frequency range) transmission signal.
In order to reduce disturbing effect, antenna system extraly includes frequency-selective surfaces, and the frequency-selective surfaces are for
RF energy in one frequency range is conduction, and is reflection to the RF energy in second frequency scope.Frequency is selected
The metallization pattern structure that surface preferably includes repetition is selected, it is accurate to impinging upon the display of the radiofrequency signal on frequency-selective surfaces
Pass band filter characteristic or quasi- bandstop filter characteristic.
In addition, US 6,917,340B2 further relates to the antenna system for including two antenna elements.In order to reduce coupling and because
This disturbing effect, one in two antenna elements eight points be subdivided into the wavelength corresponding to another antenna element
Three electrical length section.
In addition, the section of an antenna element is electrically interconnected via reactance circuit, the reactance circuit is in another antenna element
Frequency range in sufficiently high impedance and in the frequency range of one antenna element with sufficiently low resistance
It is anti-.
Even if the above method allows the interference of the reduction in the radiation pattern of two antenna elements, it is contemplated that additional
The manufacture and combination arrangement of the combination of component, i.e. reactance circuit, including the design of the antenna system of two antenna elements become
It is more complicated.
Especially, the design of reactance circuit and its arrangement in respective antenna elements are complicated, and are needed extra
Development procedure.In addition, the part of reactance circuit and for example to antenna element soldering be electrically connected to frequency characteristic introduce
Unacceptable variation.
The content of the invention
In this respect, the purpose of the present invention is to propose to a kind of improved antenna system, the shortcomings that indicated above is which overcomed,
For example, to avoid extra number of assembling steps.It is also an object of the invention that proposing a kind of antenna system, it has bag
Include the interference of the reduction between the radiation pattern of multiple antenna elements wherein.
According in a first aspect, antenna system includes one or more band stop filter structures, it is placed on first antenna member
Near part.One or two end of each filter construction is connected to first antenna element.Filter construction decay is in the
The electric current flowing of frequency in two frequency bands, first antenna element are suitable to the second band.Therefore, the first antenna in antenna system
Element allows the disturbing effect for reducing the frequency in second band, and the second antenna element is suitable to the second band.Therefore, it is also real
The reduction of interference of the first antenna element to the radiation pattern of the second antenna element is showed.According to an embodiment, it is proposed that a kind of
Antenna system, the antenna system include：First antenna element, it is suitable to first band；And second antenna element, it is suitable to not
It is same as the second band of first band.First antenna element includes：Irradiation structure, it includes at least one planar radiation elements,
Wherein irradiation structure is configured to radiate with the frequency in first band.First antenna element also includes：At least one band resistance filter
Ripple device structure, it includes at least one planar conductive element, wherein at least one band stop filter structure is configured to decline
Subtract the electric current flowing of the frequency in second band.
At least one planar conductive element is arranged in the form of zigzag pattern, and is electrically connected to an end
At least one planar radiation elements.In addition, at least one planar conductive element with least one plane spoke
Penetrate in the direction direction that is substantially parallel of element and extend；And at least one planar conductive element, which has, corresponds to the second frequency
The electrical length of the substantially a quarter of the wavelength of frequency in band.
According to another embodiment, it is proposed that a kind of antenna system, the antenna system include：First antenna element, it is suitable to
First band；And second antenna element, it is suitable to second band different from first band.First antenna element includes：Spoke
Structure is penetrated, it includes at least one planar radiation elements, and wherein irradiation structure is configured to radiate with the frequency in first band.
First antenna element also includes：At least one band stop filter structure, it includes at least one planar conductive element, wherein described
At least one band stop filter structure is configured to the electric current flowing for the frequency that decay is in second band.
At least one planar conductive element is arranged in the form of zigzag pattern, and is electrically connected to two ends
At least one planar radiation elements so that at least one planar conductive element and at least one planar radiation elements shape
Into parallel circuit, in addition, at least one planar conductive element is in the direction base with least one planar radiation elements
This parallel parallel side upwardly extends, and at least one planar conductive element has with the frequency in second band
The half of wavelength exceedes the electrical length of the electrical length of at least one planar radiation elements.
According to one embodiment of antenna system, the second antenna element is arranged in the near field of first antenna element.
According to another embodiment of antenna system, at least one plane of at least one band stop filter structure
At least one planar radiation elements of conducting element and irradiation structure are arranged in same level or two substantially flat
In capable plane so that at least one planar conductive element or face adjacent with least one planar radiation elements respectively
It is right.
According to another embodiment of antenna system, at least one plane of at least one band stop filter structure
Conducting element is so shaped that it covers the width of at least one planar radiation elements of irradiation structure.
According to another embodiment of antenna system, at least one plane of at least one band stop filter structure
Conducting element is sized to cause it to have at least one planar radiation elements identical width with irradiation structure.
According to another embodiment of antenna system, at least one plane of at least one band stop filter structure
At least one planar radiation elements of conducting element and irradiation structure are arranged at two opposite tables of dielectric base plate
On face
According to another embodiment of antenna system, at least one plane of at least one band stop filter structure
At least one planar radiation elements of conducting element and irradiation structure are arranged in the similar face of dielectric base plate.
According to another embodiment of antenna system, the irradiation structure of first antenna element includes multiple planar radiation elements,
Each in the plurality of planar radiation elements has 3/8ths of the wavelength for the frequency being less than or equal in second band
Electrical length, and first antenna element includes multiple band stop filter structures, it is each in the plurality of band stop filter structure
It is individual to be arranged including at least one planar conductive element, at least one planar conductive element in the form of zigzag pattern, and electricity
Different one being connected in the multiple planar radiation elements.
According to another embodiment, it is proposed that a kind of antenna system, the antenna system include：First antenna element, it is suitable to
First band；Second antenna element, it is suitable to the second band different from the first band.First antenna element includes：Extremely
A few irradiation structure, it includes at least one planar radiation elements, and wherein irradiation structure is configured to in first band
Frequency radiates.First antenna element also includes：At least one sleeve-like structure, it includes at least two planar conductive elements, wherein
At least one sleeve-like structure is configured to the electric current flowing for the frequency that decay is in second band.
At least two planar conductive element is electrically connected at least one planar radiation elements an end.
In addition, at least two planar conductive element is in the side substantially parallel with the direction of at least one planar radiation elements
Upwardly extend；And at least two planar conductive element has the wavelength of the frequency corresponded in second band substantially
The electrical length of a quarter.
According to an embodiment of antenna system, the second antenna element is arranged in the near field of first antenna element.
According to another embodiment of antenna system, at least two multiplanar conductive member of at least one sleeve-like structure
At least one planar radiation elements of part and at least one irradiation structure are arranged in same level so that described
At least two planar conductive elements are adjacent with least one planar radiation elements respectively.
According to another embodiment of antenna system, at least two multiplanar conductive member of at least one sleeve-like structure
At least one planar radiation elements of each and at least one irradiation structure in part are arranged equally spaced.
According to another embodiment of antenna system, at least two slits are arranged on the described of at least one sleeve-like structure
Each at least two planar conductive elements is first with least one planar radiation of at least one irradiation structure
Between part, wherein each at least two slit is from least one plane of at least one irradiation structure
The top of radiating element extends laterally into corresponding one at least two planar conductive element and described at least one
Electrical connection section between planar radiation elements.
According to another embodiment of antenna system, the first planar antenna element includes：The irradiation structure of multiple interconnection, this is more
Each in the irradiation structure of individual interconnection is configured as radiating with the different frequency in first band；Multiple sleeve-like structures, should
Each in multiple sleeve-like structures is configured as the electric current flowing for the identical frequency that decay is in second band, wherein described
Each in multiple sleeve-like structures includes at least two planar conductive elements, and at least two planar conductive element is electrically connected to
At least one planar radiation elements of different irradiation structures in multiple irradiation structures.
According to another embodiment of antenna system, the first planar antenna element is multiband inverse-F antenna element.
According to another embodiment of antenna system, the second antenna element is truncated rectangle patch antenna element.
Further it is proposed that a kind of Anneta module for being used on vehicle ceiling, it includes：According in previous embodiment
One described in antenna system, wherein, vehicle ceiling provides ground plane to first antenna element and the second antenna element.
Brief description of the drawings
Accompanying drawing is incorporated in specification and forms part for specification, with some embodiments of the explanation present invention.These
Accompanying drawing is used for the principle for explaining the present invention together with the description.
Accompanying drawing is merely to illustrate that the purpose preferably with alternate example how invention is implemented and uses, without being solved
It is interpreted as that the embodiment for being limited to only show and describe will be invented.
In addition, some aspects of embodiment can form the solution party according to the present invention individually or with different combinations
Case.From the more specifically description to various embodiments of the present invention as shown in the drawings below, further feature and excellent
Point will become obvious, and in the drawing, identical reference represents identical element, and wherein：
Fig. 1 a and 1b are schematically shown according to the antenna system of the first embodiment of the present invention and its simulation radiation
Pattern；
Fig. 2 a and 2b show the sectional view of the first antenna element of first embodiment and secondly port scattering parameter (or
S- parameters) simulation result；
Fig. 3 a and Fig. 3 b show the sectional view of the antenna system according to second embodiment, and the according to the present invention the 3rd
The sectional view of another antenna system of embodiment；
Fig. 4 a and 4b show the sectional view and Two-port netwerk scattering parameter (or s- of the first antenna element of second embodiment
Parameter) simulation result；
Fig. 5 a and 5b show the sectional view and Two-port netwerk scattering parameter (or s- of the first antenna element of fourth embodiment
Parameter) simulation result；
Fig. 6 a and 6b schematically show antenna system according to the fifth embodiment of the invention, and are included in antenna
The front view of first antenna element in system；
Fig. 7 a and 7b schematically show antenna system according to the sixth embodiment of the invention, and are included in antenna
The front view of first antenna element in system；And
Fig. 7 c, 7d and 7e show the analog result of the antenna system according to sixth embodiment.
Embodiment
With reference now to Fig. 1 a and 1b, show and shown according to the exemplary of antenna system 100 of the first embodiment of the present invention
It is intended to, and simulation radiation pattern.Especially, the simulation radiation pattern in Fig. 1 b shows beneficial effect, i.e. antenna system 100
Antenna element between reduction interference beneficial effect.
Antenna system 100 includes the antenna element 120 of first antenna element 110 and second being arranged in mutual near field.
Therefore, the radiation pattern of the second antenna element 120 is exposed to the disturbing effect from first antenna element 110, and otherwise also
So.
In the context of the present invention, term near field must be understood as surrounding the first and second antenna elements 110 and 120
In the region of each, wherein their radiation pattern is by corresponding in the first and second antenna elements 110 and 120
Another disturbing effect dominates.For example, being shorter than it in the first and second antenna elements 110 and 120 is suitable to the wavelength X of transmitting
In the case of half, near field is defined as radius r region, wherein r ＜ λ.
First antenna element 110 is suitable to the electromagnetic wave of transmitting/reception first band.In other words, first antenna element 110
Suitable for first band.For example purposes, first antenna element 110 is shown as unipole antenna.However, first antenna element
110 should will not be restricted in this respect.In addition, first antenna element 110 can be such as dipole antenna, and plane inverse-F, PIFA,
Antenna or multiband antenna.
Second antenna element 120 is suitable to the electromagnetic wave of transmitting/reception second band.In other words, the second antenna element 120
Suitable for second band.For example purposes, the second antenna element 120 is shown as planar antenna element, i.e. rescinded angle paster in addition
Antenna.However, the second antenna element 120 in this respect will be unrestricted.
Especially, the second frequency that the first band and the second antenna element 120 that first antenna element 110 is suitable to are suitable to
With different from each other, i.e., wherein first band is less than second band.In other words, first band include than second band frequency more
Small frequency.
This includes the first and second frequency bands each other without the overlapping situation of frequency.If in addition, one or two antenna element
Part 110 and 120 is multiband antenna, then first band can also include second band without with identical (one or more) the
Two band overlappings.
First antenna element 110 includes being configured at least one irradiation structure 112 radiated with the frequency in first band.
For example purposes, first antenna element 110 is shown as including single irradiation structure 112.However, first antenna element 110
In this respect will be unrestricted.In addition, in the case where first antenna element 110 is multiband antenna, same first antenna
Element 110 includes multiple irradiation structures, and each in the plurality of irradiation structure is radiated with the different frequency in first band.
In addition, in first antenna element 110, at least one irradiation structure 112 includes at least one planar radiation
Element 114.In other words, at least one irradiation structure 112 by least one or more planar radiation elements 114 section shape
Into.For example purposes, single irradiation structure 112 is shown as including five planar radiation elements 114.However, irradiation structure
112 in this respect will be unrestricted.
In the exemplary configuration of antenna system 100, five planar radiation elements 114 of single irradiation structure 112 are with friendship
Wrong mode is arranged on two parallel planes so that the first, the 3rd and the 5th radiating element 114 is arranged in two parallel planes
A plane on, second and the 4th radiating element 114 be arranged on another in two planes.
Different planar radiation elements 114 can be formed by folding irradiation structure 112 to manufacture the single radiation
Structure 112.Or can by the opposed surface of dielectric base plate the continuous planar radiation elements 114 of printing/etching come
Realize irradiation structure 112.In the latter case, continuous planar radiation elements 114 can pass through the opposite of dielectric base plate
Through connection (for example, through hole) between surface is electrically connected.
These examples detail the alternative solution for realizing irradiation structure 112, including at least one or more plane spoke
The irradiation structure 112 itself for penetrating element 114 is not plane, and is arranged in two parallel planes.
First antenna element 110 also includes at least one band stop filter structure 116, and it is configured as the first antenna that decays
The electric current flowing of the frequency being in second band in element 110.In other words, at least one band stop filter structure
116 suppress electric current flowing at least one irradiation structure 114, with frequency in the second frequency band.
For this purpose, at least one band stop filter structure 116 includes at least one planar conductive element 118, its
In an end (in the case of for antenna system 100) or two ends (for the He of antenna system 200 as described below
300 situation) it is electrically connected at least one planar radiation elements 114 of at least one irradiation structure 112.
For example purposes, each at least one band stop filter structure 116 is shown as including one
Individual planar conductive element 118.However, at least one band stop filter structure 116 in this respect will be unrestricted.
In addition, each at least one band stop filter structure includes such as two planar conductive elements
In the case of, each in the two planar conductive elements is electrically connected at least one planar radiation member an end
Approximately the same plane radiating element in part 114 (at its different part).
In addition, at least one planar conductive element 118 of at least one band stop filter structure 116 is with complications
The form arrangement of pattern.In the context of the present invention, at least one planar conductive element 118 is referred to as with zigzag pattern
Form arrangement, as long as it has the continuous conductive segment ring for pointing to opposite horizontal direction.
In this respect, the zigzag pattern of at least one planar conductive element 118 allows the area extended compared to it
The excessive electrical length of the size (i.e. length and width) in domain.Exemplarily, at least one plane of antenna system 100
Conducting element 118 includes the tree-shaped continuous conductive segment ring for pointing to opposite horizontal direction.
More specifically, at least one planar conductive element 118 is electrically connected to radiation knot an end wherein
In the antenna system 100 of at least one planar radiation elements 114 of structure 112, at least one planar conductive element 118
With predetermined electrical length, i.e., described at least one planar conductive element 118 has corresponding to the frequency in second band
The electrical length of a quarter (λ/4) of wavelength.
In addition, at least one planar conductive element 118 of at least one band stop filter structure 116 with institute
State and prolong in the direction essentially parallel directions of at least one planar radiation elements 114 of at least one irradiation structure 112
Stretch.In other words, at least one planar conductive element 118 and at least one planar radiation elements 114 are in identical
Side upwardly extends.
Therefore, at least one planar conductive element 118 and at least one radiating element 114 are all exposed to second
The same radiation pattern of antenna element 120, the electric current with formed objects and directionality is caused in the same radiation pattern.
In the exemplary configuration of antenna system 100, described at least the one of at least one band stop filter structure 116
Individual planar conductive element 118 and at least one planar radiation elements 114 of at least one irradiation structure 112 are arranged
Into in two parallel planes toward each other.At least one planar conductive element 118 and at least one planar radiation
This arrangement of element 114 advantageously increases the coupling between them.
Especially, between at least one planar conductive element 118 and at least one planar radiation elements 114
Coupling enhances the filter effect of at least one band stop filter structure 116, at least one band stop filter structure
116 include at least one planar conductive element 118.
Antenna system 100 another exemplary configuration in, at least one band stop filter structure 116 it is described extremely
A few planar conductive element 118 is so shaped that it covers the described at least one of at least one irradiation structure 112
The width of planar radiation elements 114.Therefore, at least one planar conductive element 118 and at least one planar radiation
Overlapping increase between element 114, further enhancing the coupling between them.
Antenna system 100 another exemplary configuration in, at least one band stop filter structure 116 it is described extremely
A few planar conductive element 118 and at least one planar radiation elements 114 of at least one irradiation structure 112 are equal
It is arranged in two opposed surfaces of dielectric base plate, wherein the appropriate small relative dielectric constant ε of dielectric base platerFurther
Enhance coupling therebetween.
In the another exemplary configuration of antenna system 100, at least one irradiation structure of first antenna element 110
112 include multiple electrical interconnection planar radiation elements 114.Each being electrically interconnected in planar radiation elements 114, which has, to be less than or waits
3/8ths electrical length of the wavelength of the frequency in second band.
In addition to the exemplary configuration of antenna system 100, first antenna element 112 includes multiple bandstop filter knots
Structure 116.Each at least one plane included in the form of zigzag pattern in the multiple band stop filter structure 116 is led
Electric device 118.In addition, it is each electrically connected to the multiple planar radiation at least one planar conductive element 118
A different planar radiation elements in element 114.
In the example shown in Fig. 1 a, an irradiation structure 112 of first antenna element 100 includes five electrical interconnection planes
Radiating element 114 and two band stop filter structures 118, each in the two resistance filter constructions 118 include one
Planar conductive element 118.The electricity of one planar conductive element 118 of each in the two band stop filter structures 118
Be connected to five be electrically interconnected in planar radiation elements 114 every the electrical interconnection planar radiation elements of one.
In a word, due at least one planar conductive element 118 and at least one plane spoke being connected electrically
This configuration of element 114 is penetrated, at least one band stop filter structure 116 is used as being used for the frequency being in second band
Faradic bandstop filter, so as to the electric current flowing for the frequency in second band that decays.
More specifically, the electric current induced at least one planar conductive element 118 is described at least one flat
The end not electrically connected of face conducting element is reflected, and therefore with feeling at least one planar radiation elements 114
The electric current answered is compared, exposed to a quarter of the wavelength of the frequency for second band twice (2 λ/4=λ/2) it is electric
Length.Due to the phase offset of the half (λ/2) of the wavelength of the frequency of second band, two electric currents negatively disturb (i.e., each other
Offset).
In other words, the structure and size of at least one planar conductive element 118 and arrangement provide bandstop filter
Structure 116, the electric current flowing for the frequency that the band stop filter structure 116 decay is in second band.Therefore, though second day
The induced-current in first antenna element 110 of kind of thread elements 120, at least one multiplanar conductive of band stop filter structure 116
Element 118 suppresses the induced-current of the frequency in second band.
Therefore, first antenna element 110 is configured to reduce the disturbing effect of the frequency in second band, i.e., in
The disturbing effect for the frequency that two antenna elements 120 are suitable to.First antenna element 110 can be referred to as to the second antenna element
120 be transparent.Therefore, even if first antenna element 110 is arranged in its near field, the radiation pattern of the second antenna element 120
Also it is exposed to the interference volume of the reduction from first antenna element 110.
It also will be understood that the interference reduction of the radiation pattern to the second antenna element 120 from the analog result shown in Fig. 1 b
Same effect.In figure, the radiation pattern of the second antenna element 120 is almost concentric, and limit deformation is only with respect to x
Axle, i.e. first antenna element 110 are in order to simulate the direction that purpose is arranged.
With reference now to Fig. 2 a and 2b, the sectional view and Two-port netwerk for showing the first antenna element 110 of first embodiment dissipate
Penetrate the result of parameter (or s- parameters) simulation.For simulation, the left part section and right part section of first antenna element 110 are Two-port netwerk s-
The port of parameter simulation.
From simulation result as can be seen that forward gain and backward gain coefficient S 12 and S21 are corresponding to second frequency scope
Frequency 2.3014GHz frequency at display it is highly attenuating, at least one band stop filter structure each by with
It is set to and is used for the second frequency scope.Reflectance factor S11 and S22 show opposite behavior.
With reference now to Fig. 3 a and 3b, the antenna system 200 and 300 according to second and third embodiments of the invention is shown
Sectional view.Each in antenna system 200 and 300 includes first antenna element 210,310 and the second antenna element 120,
Second antenna element 120 is omitted from corresponding sectional view.Antenna system 100 of the antenna system 200 and 300 based on Fig. 1,
Wherein corresponding part is given corresponding reference and term.For brevity, the description of corresponding component is eliminated.
The difference of Fig. 3 a and 3b antenna system 200 and 300 and antenna system 100 is, is included in first antenna
The quantity of planar radiation elements 114 in the irradiation structure 112 of element 210 and 310 is two and four respectively；And first day
The quantity of the band stop filter structure 216 of kind of thread elements 210 and 310 is one and two respectively.
Prior difference is, antenna system 200 and 300 includes at least one band stop filter structure 216, it is described extremely
A few band stop filter structure 216 includes at least one planar conductive element 218, at least one planar conductive element 218
With another shape and structure as will be discussed in more detail below.
Each in antenna system 200 and 300 includes first antenna element 210 and 310, and unshowned second day
Kind of thread elements 120.First antenna element 210,220 is suitable to first band；Second antenna element 120 is suitable to different from first band
Second band, i.e., wherein first band is less than second band.In other words, first band includes smaller than the frequency of second band
Frequency.
Each in first antenna element 210,310 includes at least one irradiation structure 112 and at least one planar band
Hinder filter construction 216.It is discussed above with reference to its for the more detailed description of at least one irradiation structure 112.
In addition, the following description at least one band stop filter structure 216 is equally applicable to be included in second in fact
Apply at least one band stop filter structure 216 in the first antenna element 210 of the antenna system 200 of example and be included in the 3rd
At least one band stop filter structure 216 in the first antenna element 310 of the antenna system 300 of embodiment.In this respect, with
Lower description provides and is equally applicable to the two embodiments with being abstracted.
At least one band stop filter structure 216 is configured as decaying in first antenna element 210 and is in second
The electric current flowing of frequency in frequency band.In other words, at least one band stop filter structure 216 suppresses described at least one
The electric current flowing with frequency in the second frequency band in individual irradiation structure 114.
For this purpose, at least one band stop filter structure 216 includes at least one planar conductive element 218, should
At least one planar conductive element 218 is electrically connected to described at least one irradiation structure 112 at least two ends
One planar radiation elements 114 so that at least one planar conductive element 218 and at least one planar radiation elements
114 form parallel circuit.
For example purposes, each at least one band stop filter structure 216 is shown as including one
Individual planar conductive element 218.However, at least one band stop filter structure 216 in this respect will be unrestricted.
In addition, each at least one band stop filter structure includes such as two planar conductive elements
In the case of, each in the two planar conductive elements is electrically connected at least one planar radiation member two ends
The same section of part 114 so that the two planar conductive elements form electricity in parallel with least one planar radiation elements 114
Road.
In addition, at least one planar conductive element 218 of at least one band stop filter structure 216 is with complications
The form arrangement of pattern.In this respect, the zigzag pattern of at least one planar conductive element 218 allows to be extended with it
The excessive electrical length that the size (i.e. length and width) in region is compared.Exemplarily, described at least the one of antenna system 100
Individual planar conductive element 218 includes pointing to the tree-shaped continuous conduction Duan Huan of opposite horizontal direction.
More specifically, at least one planar conductive element 218 is electrically connected to radiation knot two ends wherein
At least one planar radiation elements 114 of structure 112 are so as in the antenna system 200 and 300 of formed parallel circuit, institute
Stating at least one planar conductive element 218 has with the half (λ/2) of the wavelength of the frequency in second band more than connected in parallel
At least one planar radiation elements 114 electrical length electrical length.
In addition, at least one planar conductive element 218 of at least one band stop filter structure 216 with institute
State and prolong in the direction essentially parallel directions of at least one planar radiation elements 114 of at least one irradiation structure 112
Stretch.In other words, conducting element 218 extends in a same direction with least one planar radiation elements 114.
Therefore, at least one planar conductive element 218 and at least one radiating element 114 are all exposed to second
The identical radiation pattern of antenna element 120, the electricity with formed objects and directionality is caused in the identical radiation pattern
Stream.
In the exemplary configuration of antenna system 200 and 300, at least one band stop filter structure 216 it is described
At least one planar radiation elements 114 of at least one planar conductive element 218 and at least one irradiation structure 112
It is arranged to facing with each other in two parallel planes.At least one planar conductive element 218 and described at least one flat
This arrangement of surface radiation element 214 advantageously increases the coupling between them.
Especially, between at least one planar conductive element 218 and at least one planar radiation elements 114
Coupling enhances the filter effect of at least one band stop filter structure 116, at least one band stop filter structure
116 include at least one planar conductive element 218.
In the another exemplary configuration of antenna system 200 and 300, at least one band stop filter structure 216
At least one planar conductive element 218 be so shaped that its cover at least one irradiation structure 112 it is described extremely
The width of few planar radiation elements 114.Therefore, at least one planar conductive element 218 and described at least one flat
Overlapping increase between surface radiation element 214, further enhancing the coupling between them.
In a word, due also at least one planar conductive element 218 and connection connected in parallel it is described at least one flat
This configuration of surface radiation element 114, at least one band stop filter structure 216 are used as being used to be in second band
The faradic bandstop filter of frequency, so as to the electric current flowing for the frequency in second band that decays.
More specifically, compared with the electric current sensed at least one planar radiation elements 114, described at least one
The electric current sensed in individual planar conductive element 218 is exposed to the excessive electric of the half (λ/2) of the wavelength of the frequency of second band
Length.Due to the phase offset of the half (λ/2) of the wavelength of the frequency of second band, the two electric currents negatively disturb (that is, that
This offsets).
In other words, the structure and size of at least one planar conductive element 118 and arrangement provide bandstop filter
Structure 116, the electric current flowing for the frequency that the band stop filter structure 116 decay is in second band.Therefore, though second day
The induced-current in first antenna element 210 or 310 of kind of thread elements 120, at least one plane of band stop filter structure 116
Conducting element 118 suppresses the induced-current of the frequency in second band.
Therefore, still in this case, first antenna element 210 and 310 is configured to reduce the frequency in second band
The disturbing effect of rate, i.e., the disturbing effect for the frequency being suitable in the second antenna element 120.Therefore, even if first antenna is first
Part 210 or 310 is arranged in its near field, and the radiation pattern of the second antenna element 120, which is exposed to, comes from the He of first antenna element 210
The interference volume of the reduction of any one in 310.
With reference now to Fig. 4 a and 4b, showing the sectional view of first antenna element 210 of second embodiment, (it is comparably fitted
The first element 310 for 3rd embodiment) and Two-port netwerk scattering parameter (or s- parameters) simulation result.For the simulation,
The left part section and right part section of first antenna element 210 are the ports of Two-port netwerk s- parameter simulations.
From simulation result as can be seen that forward gain and backward gain coefficient S 12 and S21 are corresponding to second frequency scope
Frequency about 2.3GHz frequency at display it is highly attenuating, at least one band stop filter structure each by with
It is set to and is used for the second frequency scope.Reflectance factor S11 and S22 show opposite behavior.
With reference now to Fig. 5 a and 5b, the sectional view and Two-port netwerk scattering parameter of the antenna system of fourth embodiment are shown
The result of (or s- parameters) simulation.For the simulation, the left part section and right part section of first antenna element 410 are Two-port netwerk s- parameters
The port of simulation.
The identical design principle that fourth embodiment discussed using combined previous embodiment so that for simplicity
The reason for, including the description of the respective antenna system of the antenna element of first antenna element 410 and second is omitted, the first antenna
The sectional view of element 410 is illustrated.
For the embodiment, at least one band stop filter structure 216 it is upper described at least one
Planar conductive element 218 and at least one planar radiation elements 414 of irradiation structure 412 are arranged in identical plane
In so that at least one planar radiation elements of at least one planar conductive element 218 adjacent to electrical connection connected in parallel
414。
In the less complex structure of first antenna element 410, due at least one multiplanar conductive member
The configuration of part 218 and at least one planar radiation elements 414 with being connected in parallel, at least one bandstop filter knot
Structure 216 is used as the faradic bandstop filter for the frequency being used in second band, so as to decay in second band
In frequency electric current flowing.
This can also find out that wherein forward gain coefficient S 12 is in the frequency corresponding to second frequency scope from simulation result
About 2.3GHz frequency at display it is highly attenuating, each at least one band stop filter structure is configured as using
In the second frequency scope.Reflectance factor S11 shows opposite behavior.
Referring now to Fig. 6 a and 6b, show that the exemplary of antenna system 500 according to the fifth embodiment of the invention is shown
It is intended to, and the front view for the first antenna element being included in antenna system 500.
Antenna system 500 includes the antenna element 120 of first antenna element 510 and second being arranged in mutual near field.
Therefore, the radiation pattern of the second antenna element 120 is exposed to the disturbing effect from first antenna element 510, and otherwise also
So.
In the context of the present invention, term near field must be understood as surrounding the first and second antenna elements 510 and 120
In the region of each, wherein their radiation pattern is by corresponding in the first and second antenna elements 510 and 120
Another disturbing effect dominates.For example, being shorter than it in the first and second antenna elements 510 and 120 is suitable to the wavelength X of transmitting
In the case of half, near field is defined as radius r region, wherein r ＜ λ.
First antenna element 510 is suitable to the electromagnetic wave of transmitting/reception first band.In other words, first antenna element 510
Suitable for first band.For example purposes, first antenna element 510 is shown as multi-band planar inverted-f, PIFA, antenna.So
And first antenna element 510 in this respect will be unrestricted.In addition, first antenna element 510 includes distributing point, it is instructed to
For " P2E ".
Second antenna element 120 is suitable to the electromagnetic wave of transmitting/reception second band.In other words, the second antenna element 120
Suitable for second band.For example purposes, the second antenna element 120 is also shown as planar antenna element, i.e. rescinded angle paster day
Line.However, the second antenna element 120 in this respect will be unrestricted.In addition, the second antenna element 120 includes distributing point, its quilt
It is designated as " P1E ".
Especially, the second frequency that the first band and the second antenna element 120 that first antenna element 510 is suitable to are suitable to
With different from each other, i.e., wherein first band is less than second band.In other words, first band include than second band frequency more
Small frequency.
First antenna element 510 includes being configured at least one irradiation structure 512- radiated with the frequency in first band
1、512-2.For example purposes, first antenna element 510 is shown as irradiation structure 512-1, the 512- for including three interconnection
2.Especially, shown first antenna element 510 includes：
First antenna structure 512-1, it include along first antenna element 510 ground plane extension branch (a) and
Another branch (b) pointed to away from ground plane,
Second antenna structure 512-2, it includes the branch (c) away from ground plane extension and formed towards ground plane
The branch (d) of the semicircle of sensing and (e), and
Third antenna structure, it includes having branch (a), (b), (c), (d) and (e) two above-mentioned antenna structures
512-1、512-2。
Each in three shown antenna structure 512-1,512-2 of first antenna element 510 is configured to the first frequency
Different frequency radiation in band.However, first antenna element 510 in this respect will be unrestricted.
In addition, in first antenna element 510, at least one irradiation structure 512-1 includes at least one plane spoke
Penetrate element 514.For example purposes, multiband irradiation structure 512-1,512-2 are shown as including a planar radiation elements
514.However, irradiation structure 512-1,512-2 in this respect will be unrestricted.
First antenna element 510 also includes at least one sleeve-like structure 516, and it is configured as first antenna element of decaying
The electric current flowing of the frequency being in second band in 510.In other words, at least one sleeve-like structure 516 suppresses
The electric current flowing with the frequency in second band at least one irradiation structure 514, at least one sleeve-like structure
516 are configured as being suitable to the second band.In general sense, it is humorous that sleeve-like structure 516 is considered open-short transmission
Shake device, and it is a kind of form of bandstop filter.
For this purpose, at least one sleeve-like structure 516 includes at least two planar conductive elements 518-1,518-2,
At least two planar conductive element 518-1,518-2 is electrically connected at least one irradiation structure 512- an end
1st, 512-2 at least one planar radiation elements 514.
For example purposes, at least one sleeve-like structure 516 is shown as including two planar conductive elements
518-1、518-2.However, at least one band stop filter structure 516 in this respect will be unrestricted.In addition, it is described extremely
A few tube-in-tube structure can also have four tube-in-tube structures for being arranged in the front and rear of at least one irradiation structure and left and right.
In addition, at least two planar conductive element 518-1,518-2 of at least one sleeve-like structure 516
Each has the electrical length of the substantially a quarter (λ/4) of the wavelength of the frequency corresponded in second band.In other words
Say, each at least two planar conductive element 518-1,518-2, which has, to be deviated from (for example, in 0-5% scope
In) the single electrical length of a quarter (λ/4) of the wavelength of frequency in second band.
The electrical length that at least two planar conductive element 518-1,518-2 is individually arranged has had proven to
Profit, because their being adjacently positioned on the both sides of at least one planar radiation elements 514 cause the humorous of height coupling
Shake behavior.The resonance behavior of this height coupling can make the off resonance of at least one sleeve-like structure 516 (mistune).
In addition, at least two planar conductive element 518-1,518-2 of at least one sleeve-like structure 516 with
The direction of described at least one irradiation structure 512-1,512-2 at least one planar radiation elements 514 is substantially parallel
Side upwardly extend.In other words, at least two planar conductive element 518 with least one planar radiation elements
514 identical sides upwardly extend.
For example purposes, at least one planar radiation elements 514 are shown as with inverted L-shaped and therefore two
On individual direction, i.e. relative to ground plane level and horizontal direction on extend.At least two planar conductive elements 518-
1st, 518-2 also extends in the two directions, i.e., wherein the two directions are arranged essentially parallel at least one planar radiation
The corresponding horizontal direction and horizontal direction that element 514 extends thereon.
In the exemplary configuration of antenna system 500, at least two plane of at least one sleeve-like structure 516
Conducting element 518-1,518-2 and described at least one irradiation structure 512-1,512-2 at least one planar radiation member
Part 514 is arranged in identical plane.For example purposes, at least one planar radiation elements 514 and it is described extremely
Few two planar conductive elements 518-1,518-2, which are shown as being arranged in the similar face of dielectric base plate, (such as passes through print
Brush/etching).
In the other exemplary configuration of antenna system 500, at least one planar radiation elements 514 and it is described extremely
Few two planar conductive elements 518-1,518-2 not only upwardly extend in the side being substantially parallel to each other, and described at least one
Each at least two planar conductive element 518-1,518-2 of individual sleeve-like structure 516 and at least one spoke
At least one planar radiation elements 514 for penetrating structure 512-1,512-2 are arranged equally spaced.
Due to this equidistant placement, at least one planar radiation elements 514 and at least two multiplanar conductive member
Part 518-1,518-2 have relative edge, i.e., are led at least two plane of at least one sleeve structure 516
On electric device 518-1,518-2 inner side and described at least one irradiation structure 512-1,512-2 at least one radiation
On the outside of element 514.Therefore, at least one planar radiation elements 514 and at least two planar conductive element
The electric current flowed on 518-1,518-2 cancels each other out.
In the another exemplary configuration of antenna system 500, at least two described at least one sleeve-like structure 516
Each in individual planar conductive element 518-1,518-2 is formed between described at least one irradiation structure 512-1,512-2
Corresponding slit.In other words, at least two slits are by respectively by least two planar conductive element 518-1,518-2
Each and at least one planar radiation elements 514 surround region of (or closing) and limit.
Each in these at least two slits is from least one plane of at least one irradiation structure 514
The top of radiating element extends laterally into corresponding one and institute at least two planar conductive element 518-1,518-2
State the electrical connection section between at least one planar radiation elements 514.Therefore, in top, at least two multiplanar conductives member
Each and at least one radiating element 514 in part 518-1,518-2 flush each other.
In a word, described in being electrically connected due to described at least two planar conductive elements 518-1,518-2 and with both extremely
This configuration of few planar radiation elements 514, at least one sleeve-like structure 516 suppress the frequency being in second band
The electric current flowing of rate, so as to the radiant power in the second band that decays in far and near field.
Especially, at least two planar conductive element 518-1,518-2 of at least one sleeve-like structure 516 is used
Make the transmission line in end short circuit.By using Gauss law, at least two planar conductive element 518-1,518-2
Inner side on any electric current for flowing must be with another electricity for being flowed on the outside of at least one planar radiation elements 514
Stream is opposite.
Term inner side and outer side refers to described at least two planar conductive elements 518-1,518-2 and described at least one respectively
The opposite edges of planar radiation elements 514.Therefore, the electricity flowed on the outside of at least one planar radiation elements 514
Stream is it also seen that the transmission line of short circuit.
Because at least two planar conductive element 518-1,518-2 of at least one sleeve-like structure 516 has
Corresponding to the electrical length of the substantially a quarter (λ/4) of the wavelength of the frequency in second band, described at least one flat
Impedance at the frequency of the electric current flowed on the outside of surface radiation element 514 is infinitely great.
Therefore, described at least two planar conductive elements 518-1,518-2 and at least one described in being electrically connected with both
This configuration of individual planar radiation elements 514, at least one sleeve-like structure 516 suppress the frequency being in second band
Electric current flowing.
Referring now to Fig. 7 a and 7b, show that the exemplary of antenna system 600 according to the sixth embodiment of the invention is shown
It is intended to, and the front view for the first antenna element being included in antenna system 600.Antenna of the antenna system 600 based on Fig. 6 a
System 500, wherein corresponding part is given corresponding reference and term.For brevity, corresponding component is eliminated
Description.
The difference of Fig. 7 a and 7b antenna system 600 and antenna system 500 is that first antenna element 610 includes
Each in irradiation structure 612-1,612-2 of three interconnection, irradiation structure 612-1,612-2 of these three interconnection is included extremely
Few sleeve-like structure 616-1, a 616-2.
In addition, each in described at least one sleeve-like structure 616-1,616-2 is configured as in decay second band
Identical frequency, and including two planar conductive elements 618-1,618-2,618-3,618-4.In addition, described at least one
The different spokes being each electrically connected in described three irradiation structures 612-1,612-2 in individual sleeve-like structure 616-1,616-2
Penetrate a planar radiation elements 614 of structure.
In a word, it is electric due to described at least two planar conductive elements 618-1,618-2,618-3,618-4 and with both
This configuration of at least one planar radiation elements 614 of connection, at least one sleeve-like structure 516 suppress in the
The electric current flowing of frequency in two frequency bands, so as to the radiant power in the second band that decays in far field.
This advantageous effects are shown with reference to Fig. 7 c, 7d and 7e, Fig. 7 c, 7d and 7e show real according to the of the invention the 6th
Apply disturbing effect of the example on the second antenna element, the filter effect realized by first antenna element and first and second
The analog result of uncoupling effect between antenna element.
Especially, the result of antenna system 600 provides in the form of being simulated by Two-port netwerk scattering parameter (or s- parameters), its
In two ports be connected respectively to the second antenna element 120 feeder line (being expressed as P1E in figs. 7 a and 7b) and first antenna member
The feeder line (being expressed as P2E) of part 610.
From simulation result as can be seen that reflectance factor S11 shows the disturbing effect of reduction, wherein decay corresponds to second
The frequency of frequency range, each at least one sleeve-like structure are configurable for the second frequency scope, reflect
Coefficient S 22 shows the filter effect realized by first antenna, and backward gain coefficient S 21 shows the frequency in about 2.3GHz
The uncoupling effect at place.Reflectance factor S11 and S22 show opposite behavior.
Finally, each in the antenna system of each embodiment discussed above can be included in for vehicle ceiling
Anneta module in.Therefore, in addition to antenna system, Anneta module includes being used to protect antenna system from external disturbance
Housing, for arranging the pedestal of antenna system, antenna-matching circuit thereon and for to/from first day of antenna system
The electrical connection of the electric signal of kind of thread elements and the second antenna element transmission/reception from outside.In addition, vehicle ceiling is aerial system
First planar antenna element of system and the second antenna element provide ground plane.
With reference to：
Claims (15)
1. a kind of antenna system (100), including：
First antenna element (110), it is suitable to first band；
Second antenna element (120), it is suitable to the second band different from the first band；Wherein,
The first antenna element (110) includes：
Irradiation structure (112), it includes at least one planar radiation elements (114), and the irradiation structure is configured to described
Frequency radiation in first band, and
At least one band stop filter structure (116), it includes at least one planar conductive element (118), described at least one
Band stop filter structure (116) is configured to the electric current flowing for the frequency that decay is in the second band；
Wherein, at least one planar conductive element (118) is arranged in the form of zigzag pattern, and in an end electricity
It is connected at least one planar radiation elements (114)；
At least one planar conductive element (118) is basic with the direction of at least one planar radiation elements (114)
Upper parallel side upwardly extends；And
At least one planar conductive element (118) has the wavelength of the frequency corresponded in the second band substantially
The electrical length of a quarter.
2. a kind of antenna system (200), including：
First antenna element (210), it is suitable to first band；
Second antenna element (120), it is suitable to the second band different from the first band；Wherein,
The first antenna element (210) includes：
Irradiation structure (112), it includes at least one planar radiation elements (114), and the irradiation structure is configured to described
Frequency radiation in first band, and
At least one band stop filter structure (216), it includes at least one planar conductive element (218), described at least one
Band stop filter structure (216) is configured to the electric current flowing for the frequency that decay is in the second band；
Wherein, at least one planar conductive element (218) is arranged in the form of zigzag pattern, and in two end electricity
Be connected at least one planar radiation elements (114) so that at least one planar conductive element (218) with it is described extremely
A few planar radiation elements (114) forms parallel circuit, and
At least one planar conductive element (218) is basic with the direction of at least one planar radiation elements (214)
Upper parallel side upwardly extends；And
At least one planar conductive element (218) has to be surpassed with the half of the wavelength of the frequency in the second band
Cross the electrical length of the electrical length of at least one planar radiation elements (114).
3. antenna system (100,200) according to claim 1 or 2, wherein, second antenna element (120) is by cloth
Put in the near field of the first antenna element (110,210).
4. the antenna system (100,200) according to any one of claim 1-3, wherein：
At least one planar conductive element (118,218) of at least one band stop filter structure (116,216) and
At least one planar radiation elements (114) of the irradiation structure are arranged in same level or two substantially parallel
Plane in so that at least one planar conductive element (118,218) is respectively adjacent to or towards described at least one flat
Surface radiation element (114).
5. the antenna system (100,200) according to any one of claim 1-4, wherein：
At least one planar conductive element (118,218) quilt of at least one band stop filter structure (116,216)
It is shaped so that it covers the width of at least one planar radiation elements (114) of the irradiation structure, and/or
At least one planar conductive element (118,218) tool of at least one band stop filter structure (116,216)
Some sizes cause it to have at least one planar radiation elements (114) identical width with the irradiation structure.
6. the antenna system (100,200) according to any one of claim 1-5, wherein：
At least one planar conductive element (118,218) of at least one band stop filter structure (116,216) and
At least one planar radiation elements (114) of the irradiation structure are arranged at two opposite surfaces of dielectric base plate
On, or
At least one planar conductive element (118,218) of at least one band stop filter structure (116,216) and
At least one planar radiation elements (114) of the irradiation structure are arranged in the similar face of dielectric base plate.
7. the antenna system (100,200) according to any one of claim 1-6, wherein：
The irradiation structure of the first antenna element (110,210) includes multiple planar radiation elements (114), the multiple
Each in planar radiation elements (114) has 3/8ths of the wavelength less than or equal to the frequency in the second band
Electrical length,
The first antenna element (110,210) includes multiple band stop filter structures, in the multiple band stop filter structure
Each include at least one planar conductive element (118,218), at least one planar conductive element (118,
218) arranged in the form of zigzag pattern, and the different plane spoke being electrically connected in the multiple planar radiation elements
Penetrate element.
8. a kind of antenna system (500), including：
First antenna element (510), it is suitable to first band；
Second antenna element (120), it is suitable to the second band different from the first band；Wherein,
The first antenna element (500) includes：
At least one irradiation structure (512-1,512-2), it includes at least one planar radiation elements (514), the radiation knot
Structure is configured to radiate with the frequency in the first band, and
At least one sleeve-like structure (516), it includes at least two planar conductive elements (518-1,518-2), and described at least one
Individual sleeve-like structure (516) is configured to the electric current flowing for the frequency that decay is in the second band；
Wherein, at least two planar conductive element (518-1,518-2) is electrically connected to described at least one an end
Individual planar radiation elements (514)；
At least two planar conductive element (518-1,518-2) with least one planar radiation elements (514)
Extend in the essentially parallel directions of direction；And
At least two planar conductive element (518-1,518-2) has the wavelength of the frequency corresponded in the second band
Substantially a quarter electrical length.
9. antenna system (500) according to claim 8, wherein, second antenna element (120) is disposed in described
In the near field of first antenna element (510).
10. antenna system (500) according to claim 8 or claim 9, wherein：
At least two planar conductive element (518-1,518-2) of at least one sleeve-like structure (516) and it is described extremely
At least one planar radiation elements (514) of a few irradiation structure (512-1,512-2) are arranged in same level,
So that at least two planar conductive element (518-1,518-2) respectively with least one planar radiation elements (514)
It is adjacent.
11. the antenna system (500) according to claim 8-10, wherein：
It is each at least two planar conductive element (518-1,518-2) of at least one sleeve-like structure (516)
Individual at least one planar radiation elements (514) with least one irradiation structure are arranged equally spaced.
12. the antenna system (500) according to claim 8-11, wherein：
At least two slits are arranged at least two planar conductive element of at least one sleeve-like structure (516)
At least one planar radiation elements (514) of each and at least one irradiation structure in (518-1,518-2)
Between,
In wherein described at least two slit each from least one irradiation structure (512-1,512-2) it is described extremely
The top of a few planar radiation elements (514) extends laterally into described at least two planar conductive elements (518-1,518-
2) corresponding one electrical connection section between at least one planar radiation elements (514) in.
13. according to the antenna system described in any one of claim 8-12, wherein, first planar antenna element
(514) include：
The irradiation structure of multiple interconnection, each in the irradiation structure of the multiple interconnection are configured as with the first band
In different frequency radiation；
Multiple sleeve-like structures, each in the multiple sleeve-like structure are configured as the phase that decay is in the second band
The electric current flowing of same frequency,
Each in wherein the multiple sleeve-like structure includes at least two planar conductive elements (518-1,518-2), described
At least two planar conductive elements (518-1,518-2) are electrically connected to the institute of the different irradiation structures in the multiple irradiation structure
State at least one planar radiation elements (514).
14. the antenna system (100,200,500) according to any one of claim 1-13, wherein：
First planar antenna element (114,514) is multi-band planar inverted-f antenna element, and/or
Second antenna element (120) is truncated rectangle patch antenna element.
15. a kind of Anneta module used on vehicle ceiling, including：
Antenna system (100,200,500) according to any one of claim 1-14, wherein, the vehicle ceiling to
First planar antenna element (114,514) and second antenna element (120) provide ground plane.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15166990.0 | 2015-05-08 | ||
| EP15166990.0A EP3091610B1 (en) | 2015-05-08 | 2015-05-08 | Antenna system and antenna module with reduced interference between radiating patterns |
| PCT/EP2016/060211 WO2016180733A1 (en) | 2015-05-08 | 2016-05-06 | Antenna system and antenna module with reduced interference between radiating patterns |
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| Publication Number | Publication Date |
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| CN107636895A true CN107636895A (en) | 2018-01-26 |
| CN107636895B CN107636895B (en) | 2021-11-05 |
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| Country | Link |
|---|---|
| US (1) | US10944186B2 (en) |
| EP (1) | EP3091610B1 (en) |
| JP (1) | JP6537632B2 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| US10944186B2 (en) | 2021-03-09 |
| JP2018515042A (en) | 2018-06-07 |
| US20180069326A1 (en) | 2018-03-08 |
| CN107636895B (en) | 2021-11-05 |
| EP3091610A1 (en) | 2016-11-09 |
| JP6537632B2 (en) | 2019-07-03 |
| EP3091610B1 (en) | 2021-06-23 |
| WO2016180733A1 (en) | 2016-11-17 |
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